Communicating a message to far out future is a problem that is still unsolved. It has been getting some attention because of the need to safely dispose nuclear waste which has a very long life. But, the problem is bigger than that.

Artificial Intelligence or AI has never really left the news but it has always been something in the future. Tantalizing with its possibilities but not here yet. However, it is again being talked about, this time in more practical terms. Here’s an overview.